Azar, Betty Schrampfer,  1941- <br/><br/>
Understanding and using English grammar / 
Betty Schrampfer Azar. 
 - 3rd ed. 
 - Upper Saddle River, NJ :  Prentice Hall Regents,  1999. 
 - 437 p. :  ill ;  26 cm. 
 - Longman .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>013958661x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers